71968480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26459}}^1$

素因数の和:26491

約数の個数: 48

約数和(自身を含む): 180033840

約数和(自身を除く): 108065360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 26459, 52918, 105836, 132295, 211672, 264590, 423344, 449803, 529180, 846688, 899606, 1058360, 1799212, 2116720, 2249015, 3598424, 4233440, 4498030, 7196848, 8996060, 14393696, 17992120, 35984240, 71968480]

約数ペア:

[(1, 71968480), (2, 35984240), (4, 17992120), (5, 14393696), (8, 8996060), (10, 7196848), (16, 4498030), (17, 4233440), (20, 3598424), (32, 2249015), (34, 2116720), (40, 1799212), (68, 1058360), (80, 899606), (85, 846688), (136, 529180), (160, 449803), (170, 423344), (272, 264590), (340, 211672), (544, 132295), (680, 105836), (1360, 52918), (2720, 26459)]